selftests: pmtu: add explicit tests for PMTU exceptions cleanup
Add a couple of new tests, explicitly checking that the kernel timely releases PMTU exceptions on related device removal. This is mostly a regression test vs the issue fixed by commit f5b51fe8 ("ipv6: route: purge exception on removal") Only 2 new test cases have been added, instead of extending all the existing ones, because the reproducer requires executing several commands and would slow down too much the tests otherwise. v2 -> v3: - more cleanup, still from Stefano v1 -> v2: - several script cleanups, as suggested by Stefano Signed-off-by:Paolo Abeni <pabeni@redhat.com> Reviewed-by:
David Ahern <dsahern@gmail.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
parent
651eb32e
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